PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because stainless steel and other non-ferrous metals are often more expensive, the price of a condensing boiler is higher than with other types of boiler.
http://www.w3.org/ns/prov#wasQuotedFrom
  • boilerguide.co.uk